Greater Houston’s October average rent price was the highest in two years, a new report shows.According to real estate technology and analytics firm RealPage Inc. (Nasdaq: RP), the average monthly rent for the Houston-The Woodlands-Sugar Land metro area in October was $1,105 — $19 more than the previous month and $30 more than a year earlier. It’s the area's highest rent level since October 2015.Overall, the metro area experienced a 2.8 percent rent increase compared to the same month last year, but some submarkets doubled or nearly doubled that. These submarkets included: